/// <summary>
/// Create a bindings. </summary>
/// <param name="fnMapper"> the function mapper to use </param>
/// <param name="varMapper"> the variable mapper to use </param>
/// <param name="converter"> custom type converter </param>
/// <returns> tree bindings </returns>
public virtual Bindings Bind(FunctionMapper fnMapper, VariableMapper varMapper, ITypeConverter converter)
{
MethodInfo[] methods = null;
if (functions.Count > 0)
{
if (fnMapper == null)
{
throw new ELException(LocalMessages.Get("error.function.nomapper"));
}
methods = new MethodInfo[functions.Count];
foreach (IFunctionNode node in functions)
{
string image = node.Name;
MethodInfo method = null;
int colon = image.IndexOf(':');
if (colon < 0)
{
method = fnMapper.ResolveFunction("", image);
}
else
{
method = fnMapper.ResolveFunction(image.Substring(0, colon), image.Substring(colon + 1));
}
if (method == null)
{
throw new ELException(LocalMessages.Get("{0} error.function.notfound", image));
}
//if (node.VarArgs && method.VarArgs)
//{
// if (method.ParameterTypes.length > node.ParamCount + 1)
// {
// throw new ELException(LocalMessages.Get("error.function.params", image));
// }
//}
//else
//{
// if (method.ParameterTypes.length != node.ParamCount)
// {
// throw new ELException(LocalMessages.Get("error.function.params", image));
// }
//}
methods[node.Index] = method;
}
}
ValueExpression[] expressions = null;
if (identifiers.Count > 0)
{
expressions = new ValueExpression[identifiers.Count];
foreach (IIdentifierNode node in identifiers)
{
ValueExpression expression = null;
if (varMapper != null)
{
expression = varMapper.ResolveVariable(node.Name);
}
expressions[node.Index] = expression;
}
}
return(new Bindings(methods, expressions, converter));
}
public override MethodInfo ResolveFunction(string prefix, string localName)
{
var i = this.functionMappers.GetEnumerator();
MethodInfo method;
do
{
if (!i.MoveNext()) //.hasNext())
{
throw LOG.unknownFunction(prefix, localName);
}
FunctionMapper functionMapper = i.Current;//.next();
method = functionMapper.ResolveFunction(prefix, localName);
} while (method == null);
return(method);
}